Compute the test statistic. Find the P-value. State the conclusion.
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Compute the test statistic.
Find the P-value.
State the conclusion.
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- R2Chose the correct answerThe Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
- State the hypotheses and identify the claim. Compute the test statistic Find the P-value. Make the decision. Write the conclusion. Assume all populations are normally distributed. Test all claims at 0.05 . Do male and female college students have the same distribution of living arrangements? Suppose that 250 randomly selected male college students and 300 randomly selected female college students were asked about their living arrangements. The results are in the table. Test the claim that male and female college students have the same distribution of living arrangement. Dormitory Apartment With Parents Other Males 72 84 49 45 Females 91 86 88 35The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly low number of girls. Click the icon to view the table. Use the range rule of thumb to identify a range of values that are not significant. The maximum value in this range is girls. (Round to one decimal place as needed.) - X Probability Distribution for x Number of Girls x 0 1 2 3 4 5 6 7 8 9 10 Print Get P(x) 0.002 0.013 0.044 0.115 0.208 0.234 0.201 0.115 0.043 0.019 0.006 Done k answerK Determine whether the given procedure results in a binomial distribution. If not, state the reason why. Rolling a single die 53 times, keeping track of the "fives" rolled. OA. Not binomial: the trials are not independent. B. The procedure results in a binomial distribution. OC. Not binomial: there are more than two outcomes for each trial. OD. Not binomial: there are too many trials.
- S Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 998 and x = 522 who said "yes." Use a 99% confide Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p. (Round to three decimal places as needed.) n example Get more help -Claim: p = 30; a = 0.06; o = 3.25. Sample statistics: x= 28.9, n 73 Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) CA. The critical values are + 1.88 O B. The critical value is Determine the outcome and conclusion of the test Choose the correct answer below. A. Fail to reject Ho At the 6% significance level, there is not enough evidence to support the claim, O B. Reject H, At the 6% significance level, there is enough evidence to support the claim. O C. Reject H At the 6% significance level, there is enough evidence to reject the claim O D. Fail to reject H,. At the 6% significance level, there is not enough evidence to reject the claimA business has just completed a marketing campaign. They want to determine if their original market share of 50% has increased as a result of the campaign. A survey conducted found 81 out of 150 people had bought the products. Determine whether the company has increased its market share - Use either the p-value or the z statistic conduct the test. Has the market share of the company increased?- The marketing team plan to continue to monitor their market share. In a future study, they want to be able to estimate their market share to within +/−5% and with 90% confidence. What size sample is required? Use the sample proportion from part ii.
- Use the random numbers. Thank you.In a random sample of seven people, the mean driving distance to work was 22.5 miles and the standard deviation was 5.9 miles. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean u. Interpret the results. Identify the margin of error. (Round to one decimal place as needed.) Construct a 95% confidence interval for the population mean. (Round to one decimal place as needed.) Interpret the results. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) O A. With % confidence, it can be said that most driving distances to work (in miles) in the population are between the interval's endpoints. O B. It can be said that % of the population has a driving distance to work (in miles) that is between the interval's endpoints. OC. With % confidence, it can be said that the population mean driving distance to work…Need help finding test statistic and p-value. See the photo for problem.